ADVANCED FOR USE SUNDAY FEB. 3 AND THEREAFTER In this Thursday, Oct. 11, 2012 photo sailors stand on the flight deck as a helicopter and a RHIB boat participate in drug interdiction training exercises onboard the USS Underwood while patrolling in international waters near Panama. In the most expensive initiative in Latin America since the Cold War, the U.S. has militarized the battle against drug traffickers, spending more than $20 billion in the past decade. U.S. Army troops, Air Force pilots and Navy ships outfitted with Coast Guard counternarcotics teams are routinely deployed to chase, track and capture drug smugglers. (AP Photo/Dario Lopez-Mills)